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Finding the Fourth Proportional to 376,912.76, 520,260.80 and 241,311.92

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Solution

The fourth proportional to 376,912.76, 520,260.80 and 241,311.92 is: 333,088.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,912.76 : 520,260.80 = 241,311.92 : x
  2. Step 2: Convert to fraction form
    376,912.76/520,260.80 = 241,311.92/x
  3. Step 3: Cross multiply
    376,912.76x = 520,260.80 × 241,311.92
  4. Step 4: Simplify right side
    376,912.76x = 125,545,132,548.74
  5. Step 5: Solve for x
    x = 125,545,132,548.74/376,912.76
  6. Step 6: Final answer
    x = 333,088.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.